EP 2940170 A4 20160615 - GRAIN ORIENTED ELECTRICAL STEEL SHEET HAVING EXCELLENT CORE LOSS, AND METHOD FOR MANUFACTURING SAME
Title (en)
GRAIN ORIENTED ELECTRICAL STEEL SHEET HAVING EXCELLENT CORE LOSS, AND METHOD FOR MANUFACTURING SAME
Title (de)
KORNORIENTIERTES ELEKTROSTAHLBLECH MIT HERVORRAGENDEM KERNVERLUST UND VERFAHREN ZUR HERSTELLUNG DAVON
Title (fr)
TÔLE D'ACIER MAGNÉTIQUE À GRAINS ORIENTÉS AYANT UNE EXCELLENTE PERTE DE COEUR ET SON PROCÉDÉ DE FABRICATION
Publication
Application
Priority
- KR 20120154611 A 20121227
- KR 2012011749 W 20121228
Abstract (en)
[origin: EP2940170A1] The present invention relates to a grain oriented electrical steel sheet having excellent core loss and to a method for manufacturing same. The electrical steel sheet according to one aspect of the present invention may have a composition comprising, by weight%, Si: 1.0 to 4.0%, Al: 0.1 to 4.0%, and a rare earth element: 0.0001 to 0.5% by the total content of the whole rare earth element.
IPC 8 full level
C22C 38/00 (2006.01); C21D 6/00 (2006.01); C21D 8/12 (2006.01); C21D 9/46 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/08 (2006.01); C22C 38/16 (2006.01); C22C 38/34 (2006.01); C22C 38/40 (2006.01); C22C 38/60 (2006.01); H01F 1/147 (2006.01); H01F 1/16 (2006.01); H01F 41/02 (2006.01)
CPC (source: EP KR US)
C21D 6/001 (2013.01 - EP US); C21D 6/002 (2013.01 - EP US); C21D 6/004 (2013.01 - EP US); C21D 6/008 (2013.01 - EP US); C21D 8/12 (2013.01 - EP KR US); C21D 8/1222 (2013.01 - EP US); C21D 8/1233 (2013.01 - EP US); C21D 8/1261 (2013.01 - EP US); C21D 9/46 (2013.01 - EP KR US); C22C 38/00 (2013.01 - EP KR US); C22C 38/001 (2013.01 - EP US); C22C 38/005 (2013.01 - EP KR US); C22C 38/008 (2013.01 - EP US); C22C 38/02 (2013.01 - EP US); C22C 38/04 (2013.01 - EP US); C22C 38/06 (2013.01 - EP KR US); C22C 38/08 (2013.01 - EP US); C22C 38/16 (2013.01 - EP US); C22C 38/34 (2013.01 - EP US); C22C 38/40 (2013.01 - EP US); C22C 38/60 (2013.01 - EP US); H01F 1/14775 (2013.01 - US); H01F 1/14791 (2013.01 - US); H01F 1/16 (2013.01 - US); H01F 41/02 (2013.01 - US)
Citation (search report)
- [X] CN 102383045 A 20120321 - JIANGSU HAODA CO LTD
- [XY] EP 1632582 A1 20060308 - NIPPON STEEL CORP [JP]
- [Y] WO 2011114178 A1 20110922 - ARCELORMITTAL INVESTIGACION Y DESARROLLO SL [ES], et al
- [Y] KR 20110062312 A 20110610 - POSCO [KR]
- See references of WO 2014104444A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 2940170 A1 20151104; EP 2940170 A4 20160615; EP 2940170 B1 20190424; CN 104937123 A 20150923; CN 104937123 B 20180202; JP 2016509625 A 20160331; JP 6236466 B2 20171122; KR 101482354 B1 20150113; KR 20140084770 A 20140707; US 10109405 B2 20181023; US 2015340137 A1 20151126; US 2018068769 A1 20180308; US 9847158 B2 20171219; WO 2014104444 A1 20140703
DOCDB simple family (application)
EP 12891023 A 20121228; CN 201280078161 A 20121228; JP 2015551045 A 20121228; KR 2012011749 W 20121228; KR 20120154611 A 20121227; US 201214758219 A 20121228; US 201715808229 A 20171109